Zipper



FIG. 1 shows a front perspective view of a zipper;

FIG. 2 shows a rear perspective view of the zipper of FIG. 1;

FIG. 3 shows a front view of the zipper of FIG. 1; and

FIG. 4 shows a rear view of the zipper of FIG. 1;

FIG. 5 shows a left-side view of the zipper of FIG. 1;

FIG. 6 shows a right-side view of the zipper of FIG. 1;

FIG. 7 shows a top view of the zipper of FIG. 1; and,

FIG. 8 shows a bottom view of the zipper of FIG. 1.

The broken lines illustrate environment and form no part of the claimed design. 

CLAIM The ornamental design for the zipper, as shown and described. 